tests: check kill is converting signals names correctly

[thirdparty/util-linux.git] / tests / ts / kill / name_to_number

#!/bin/bash

# This file is part of util-linux.
#
# This file is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This file is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.

TS_TOPDIR="${0%/*}/../.."
TS_DESC="name_to_number"

. "$TS_TOPDIR/functions.sh"
ts_init "$*"

ts_check_test_command "$TS_CMD_KILL"
ts_check_test_command "$TS_HELPER_SIGRECEIVE"

all_ok=true
HELPER_SYMLINK="$TS_OUTDIR/$(mktemp -u XXXXXXXXXXXXXXX)"
ln -s "$TS_HELPER_SIGRECEIVE" "$HELPER_SYMLINK"

for SIG in $($TS_CMD_KILL -L); do
	if [ "x${SIG//[0-9]/}" = "x" ]; then
		EXPECTED=$SIG
		continue
	fi
	if [ "x$SIG" = "xSTOP" ] || [ "x$SIG" = "xKILL" ]; then
		continue
	fi
	if [ "x$SIG" = "xRTMIN" ]; then
		SIG="$SIG+0"
	fi
	if [ "x$SIG" = "xRTMAX" ]; then
		SIG="$SIG-0"
	fi
	"$HELPER_SYMLINK" >> "$TS_OUTPUT" 2>&1 &
	TEST_PID=$!
	# test_sigreceive needs time to start up
	up=0
	for i in 0.01 0.1 1 1 1 1; do
		awk 'BEGIN { retval=1 }
		$1 ~ /^SigCgt/ {
			lbyte = strtonum("0x" substr($2, 16, 16))
			if (and(lbyte, 1)) {
				retval=0
			}
		} END {
			exit retval
		}' /proc/$TEST_PID/status &&
			up=1 &&
			break
		sleep $i
	done
	test $up = 0 && echo "$SIG sigreceive ${HELPER_SYMLINK##*/} helper did not start" >> "$TS_OUTPUT"
	"$TS_CMD_KILL" -$SIG ${HELPER_SYMLINK##*/} >> "$TS_OUTPUT" 2>&1
	wait $TEST_PID
	if [ $? -ne $EXPECTED ]; then
		echo "$SIG returned $? while $EXPECTED was expected" >> "$TS_OUTPUT"
		all_ok=false
	fi
done

if $all_ok; then
	echo 'all ok' >> $TS_OUTPUT
fi
rm -f "$HELPER_SYMLINK"

ts_finalize